def __init__(self, space, name):
self.space = space
self.w_ffitype = W_FFIType('struct %s' % name, clibffi.FFI_TYPE_NULL,
w_structdescr=self)
self.fields_w = None
self.name2w_field = {}
self._ffistruct_owner = None
def setup_class(cls):
BaseAppTestFFI.setup_class.im_func(cls)
@unwrap_spec(addr=int, typename=str, length=int)
def read_raw_mem(space, addr, typename, length):
import ctypes
addr = ctypes.cast(addr, ctypes.c_void_p)
c_type = getattr(ctypes, typename)
array_type = ctypes.POINTER(c_type * length)
ptr_array = ctypes.cast(addr, array_type)
array = ptr_array[0]
lst = [array[i] for i in range(length)]
return space.wrap(lst)
if cls.runappdirect:
cls.w_read_raw_mem = lambda self, *args: read_raw_mem(
cls.space, *args)
else:
cls.w_read_raw_mem = cls.space.wrap(interp2app(read_raw_mem))
#
from rpython.rlib import clibffi
from rpython.rlib.rarithmetic import r_uint
from rpython.rtyper.lltypesystem import lltype, rffi
dummy_type = lltype.malloc(clibffi.FFI_TYPE_P.TO, flavor='raw')
dummy_type.c_size = r_uint(123)
dummy_type.c_alignment = rffi.cast(rffi.USHORT, 0)
dummy_type.c_type = rffi.cast(rffi.USHORT, 0)
cls.w_dummy_type = W_FFIType('dummy', dummy_type)
cls.w_runappdirect = cls.space.wrap(cls.runappdirect)
def descr_get_ffi_type(self, space):
# XXX: this assumes that you have the _ffi module enabled. In the long
# term, probably we will move the code for build structures and arrays
# from _rawffi to _ffi
from pypy.module._ffi.interp_ffitype import W_FFIType
return W_FFIType('<unknown>', self.get_basic_ffi_type(), self)
